pa1778data.pdf
pa1778data.pdf
pa1778data.pdf
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cooling tower has a capacity of 190,000 scfm.<br />
Installation Date: 1962.<br />
U.S. STEEL DUQUESNE WORKS<br />
HAER No. PA-115<br />
(Page 88)<br />
M. Pump House Building for Dorothy Six: The 33'-6" wide x 36'-<br />
0" long pump house makes up the ground floor of the East Service<br />
Building which is located between the primary gas washer and the<br />
gas cooling tower at Dorothy Six. It contains motor/drive/pump<br />
assemblies which relate to the gas cleaning process as well as<br />
blast furnace cooling. Gas cleaning related equipment includes<br />
two 2400 gpm Wilson-Snyder gas cooling tower centrifugal pumps<br />
each powered by a 100 hp Westinghouse Life Line Motor rated at<br />
1780 rpm and two 2400 gpm Wilson-Snyder primary gas washer<br />
centrifugal pumps each powered by a 2 00 hp General Electric<br />
Custom 8000 induction motor rated at 1770 rpm.<br />
Construction and Installation Date: 1962.<br />
N. Ferr-Qroanganese Gag Cleaning Plant: A 90'-O" high<br />
rectangular steel framed structure covering 150'-0" sq. ft. is<br />
located approximately 30'-0" south of blow engine house number<br />
one. The six story high open air structure contains five<br />
ferromanganese gas cleaning systems arranged in parallel and the<br />
remains of five ferromanganese briquetting systems also arranged<br />
in parallel. The equipment making up each gas cleaning system is<br />
laid out on a north - south axis and consists of a 8'-0" diameter<br />
refractory brick lined rough gas main, a 15'-0" diameter x 60'-0"<br />
high gas conditioning tower, a 3*-6" diameter refractory brick<br />
lined downcomer pipe, and an electrical precipitator. The<br />
equipment making up the remains of each briquetting system, also<br />
laid out on a north-south axis, consists of a rotary screw<br />
conveyor manufactured by the Fuller Company and a bottom fired<br />
kiln manufactured by the Perkins Dryer Company.<br />
Construction Date: 1953.<br />
0. Electrical Precipitator: Located approximately 30 f -0" east<br />
of (and between) the hot blast stoves for blast furnaces numbers<br />
three and four is an approximately 20'-0" electrical<br />
precipitator.<br />
Installation Date: 1951.<br />
III. Water Treatment Facilities:<br />
A. Slurry Water Pumps: Located directly underneath each of the<br />
gas cooling towers at blast furnaces numbers three and four are<br />
two 1300/2000 gpm slurry water pumps manufactured by the Wemco<br />
Company. Each pump is powered by a 60 hp motor.<br />
Installation Date: 1971.<br />
B. Quick Dump Sump and Lift Pumps: A 14'-0" wide x 16'-0" long<br />
x 6'-9" deep quick dump sump is located approximately 15■-0" west